Home / 3,645.48-5,030.98-2,759.88

Finding the Fourth Proportional to 3,645.48, 5,030.98 and 2,759.88

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Solution

The fourth proportional to 3,645.48, 5,030.98 and 2,759.88 is: 3,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.48 : 5,030.98 = 2,759.88 : x
  2. Step 2: Convert to fraction form
    3,645.48/5,030.98 = 2,759.88/x
  3. Step 3: Cross multiply
    3,645.48x = 5,030.98 × 2,759.88
  4. Step 4: Simplify right side
    3,645.48x = 13,884,901.08
  5. Step 5: Solve for x
    x = 13,884,901.08/3,645.48
  6. Step 6: Final answer
    x = 3,808.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.